Final answer:
A court action to remove a cloud on title and determine ownership rights is called a quiet title action.
Step-by-step explanation:
A court action to remove a cloud on title and determine one's right to an ownership interest is called a quiet title action. This legal process is used to resolve disputes or uncertainties regarding property ownership. It seeks to establish a clear and clean title by removing any adverse claims or interests against the property. During a quiet title action, the court reviews the evidence presented by both parties and makes a final decision on the ownership rights.
For example, if there is a dispute over a property's ownership due to conflicting deeds, a quiet title action can be initiated to determine the rightful owner.